Tag: second_generation_planet

Hubble Cold Case Solved: Suspected Second-Generation Planet Found Orbiting Dead Star

5 Oct 2026 11:59 a.m.

A young astronomer's sleuthing through Hubble's archive uncovered high niobium levels from a white dwarf, pointing to the first candidate planet formed from material linked to a star's death.

Science & Technology Astronomy and Space Media Digital and Print Publishing Hubble Space Telescope white dwarf second-generation planet niobium ESA/Hubble astronomy exoplanets